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30056032 = 252397421
BaseRepresentation
bin111001010100…
…1111001100000
32002120000010101
41302221321200
530143243112
62552112144
7513320626
oct162517140
962500111
1030056032
1115a695a6
12a095654
1362c4646
143dc5516
15298a757
hex1ca9e60

30056032 has 48 divisors (see below), whose sum is σ = 62530272. Its totient is φ = 14192640.

The previous prime is 30055997. The next prime is 30056087. The reversal of 30056032 is 23065003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71182 + ... + 71602.

It is an arithmetic number, because the mean of its divisors is an integer number (1302714).

Almost surely, 230056032 is an apocalyptic number.

30056032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30056032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31265136).

30056032 is an abundant number, since it is smaller than the sum of its proper divisors (32474240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30056032 is a wasteful number, since it uses less digits than its factorization.

30056032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 30056032 is about 5482.3381873066. The cubic root of 30056032 is about 310.9165796738.

The spelling of 30056032 in words is "thirty million, fifty-six thousand, thirty-two", and thus it is an eban number.

Divisors: 1 2 4 8 16 23 32 46 92 97 184 194 368 388 421 736 776 842 1552 1684 2231 3104 3368 4462 6736 8924 9683 13472 17848 19366 35696 38732 40837 71392 77464 81674 154928 163348 309856 326696 653392 939251 1306784 1878502 3757004 7514008 15028016 30056032